In 1928 the Indian Prince changed substantially. To identify this bike. Engine numbers start CL001. OHV numbers have an R after the standard letter model year. OHV numbers for a 1927 would be: CLR-001
The 1928 Indian Prince had over thirty outstanding improvements this model year a New Head Lamp, Battery Box, Front and Rear wheels remained the same 1927, 25″ X 3.30 tire, A very distinctive muffler and exhaust tube. The Automatic oiler changed in 1928 to the 3 bolt type as on the 101 Scout and Chief of that year. A slight variation to the Messinger Seat. Early 28 Magneto was the same as the 1925,26,27 but changed later in 1928 to the Model JK-1. Splitdorf spec no. 7107
Oil capacity: 3 quarts.
Motor: Bore: 2″3/4,Stroke 3 37-64″,
Piston displacement: 21.25 cu.in.
Valve: Diameter 1″5/8″. Lift 9-32″
Piston: Cast Iron, 2 x 1/8″rings.
Piston Pin: 5/8″.
Connecting Rod: lower end roller bearings.
Horse Power, 2 1/2 H.P.
Wheels: 26″ clincher.
Rims: (black finish).
Gear Ratios
The standard sprocket equipment Motor-15 tooth, Clutch-38 tooth, Countershaft-18 tooth
Rear Wheel-43 tooth
Gear ratio of 6.05 to 1 in high; 10.89 to 1 in intermediate; 19.61 to 1 in low.
Reported in the Daily News Paper Wednesday February. 22 1928.
Over 40 distinct new features will render smoother performance, greater comfort and finer appearance.
Each model bears a multitude of important refinements. The Indian Prince for 1928 is a charming new Streamline Prince, built low, with grace and beauty in every line. A new frame, a new streamline fuel tank, new handlebars and numerous other appointments have made the Indian Prince a striking example of all that is fine in lightweight motor-cycle design. A finely finished instrument panel surmounted by ammeter, panel light and lighting switch adorns, the handlebars, while a neat casing conceals and protects the electric wiring where-ever possible. The new low frame al lows of an exceptionally low saddle position — only 26 1/2 inches from the ground, greatly increasing comfort and ease of handling. The 1928 Prince is by far the most beautiful Prince ever. Further features are as follows: Longer footboards, new style grips, new grip control mechanism, new horn button, softer saddle springs, new lubrication system improves efficiency, new mechanical oil pump, new crankcase venting, a new high turbulence cylinder head, new silencer with outer barrel, new valve lifts, greater clearance in chain guards eliminate chain rattle, new Wico 5HC battery, new generator belt, oil lines improved all around, shut-off in hand oil pump line, improved generator cut-out, front chain guard stud improved in crankcase, new improved gear shift lever, gear ratios in transmission changed to allow of snappier pick-up and getaway in traffic, better alloys used in certain parts of transmission render longer life, improved rear stand minimal effort required to raise machine onto stand.
